Definition of Rohypnol™ noun from the Oxford Advanced American Dictionary

 

Rohypnol™

 noun
noun
NAmE//roʊˈhɪpnɔl//
 
[uncountable]
 
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a drug that makes you want to sleep, and that can make you unable to remember what happens for a period after you take it
See the Oxford Advanced Learner's Dictionary entry: Rohypnol™